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GL @ AGU 2016

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The AGU Fall Meeting 2016 will take place in San Francisco, CA from December 12-17. Many staff members and postdoctoral associates from the Geophysical Laboratory will attend this year.

Check here daily for live updates on each day's science presentations; or follow along on Facebook, Twitter, YouTube and Instagram. For a live stream of conference photos, click here or follow along below!

Sunday, December 11

The 10th Annual Carnegie AGU reception was a great success! Carnegie Science friends, alumni, postdocs and staff gathered in San Francisco to catch-up and chat about future collaborations, job opportunities and more. This long standing reception tradition brings together past and present members of the Carnegie family and is always an event to look forward to.

Stanislav Sinogeikin, associate director of HPCAT, presented his poster "Fast Compression and Decompression capabilities at HPCAT, APS" during the Advanced Experimental, Computational, and Analytical Techniques for Mineralogy and Mineral Physics morning poster session. His poster explains how recent advances in synchrotron sources, x-ray optics, fast area detectors, and sample environment control have enabled many time-resolved experimental techniques for studying materials at extreme pressure and temperature conditions.

Tuesday, December 13

Talks

Yoshio Kono presented his research about ultrahigh-pressure structure of GeO2 glass with coordination number >6: implications for structure of magma at the core-mantle boundary during his invited talk on Tuesday morning. Kono's talk explained how new experimental evidence of ultrahigh pressure structural transition in GeO2 glass with Ge-O coordination number (CN) significantly greater than 6 is investigated using a newly developed double-stage large volume cell combined with multi-angle energy dispersive X-ray diffraction technique for in situ amorphous structure measurement during the Physics and Chemistry of the Deep Earth session.

Staff Scientist Alex Goncharov discussed radiative conductivity and abundance of post-perovskite in D’’ during his talk on Tuesday. Goncharov explained how he constrained the radiative component of the thermal conductivity in post-perovskite at core-mantle boundary conditions by using optical spectroscopy in a laser-heated diamond anvil cell using a pulsed supercontinuum probe.

Asmaa Boujibar, a Carnegie fellow, presented her invited talk about U, Th, and K in planetary cores: Implications for volatile elements and heat production during Wednesday's AGU Fall Meeting. She confirms that U, Th, and K become more siderophile with decreasing fO2 and increasing sulfur content, with a stronger effect for U and Th in comparison to K. Hence Mercury’s core is likely to have incorporated more U and Th than K, resulting in the elevated K/U and K/Th ratios measured on the surface.